Which of the following is a common method used for underground mining of salt.
a. Longwall mining
b. Block caving
c. Solution mining
d. Room and pillar mining
Answer: c. Solution mining
What is the term used for the process of removing impurities from a metal by heating it to a high temperature.
a. Smelting
b. Leaching
c. Refining
d. Electrowinning
Answer: a. Smelting
Which of the following is an example of a metallic mineral used for making steel.
a. Copper
b. Diamond
c. Feldspar
d. Iron ore
Answer: d. Iron ore
What is the term used for the process of crushing and grinding ore into smaller particles.
a. Refining
b. Leaching
c. Comminution
d. Solvent extraction
Answer: c. Comminution
Which of the following is a common method used for surface mining of minerals other than coal?.
a. Highwall mining
b. Open-pit mining
c. Room and pillar mining
d. Block caving
Answer: b. Open-pit mining
Which of the following is a common method used for underground mining of hard rock minerals.
a. Longwall mining
b. Block caving
c. Highwall mining
d. Room and pillar mining
Answer: b. Block caving
What is the name of the machine used to transport ore or waste material in a mine.
a. Jumbo drill
b. Haul truck
c. Bulldozer
d. Grader
Answer: b. Haul truck
Which of the following is a common method used for surface mining of metals such as copper and gold.
a. Highwall mining
b. Room and pillar mining
c. Longwall mining
d. Open-pit mining
Answer: d. Open-pit mining
What is the term used for the process of removing minerals from a solution by adding a chemical reagent.
a. Leaching
b. Refining
c. Solvent extraction
d. Precipitation
Answer: d. Precipitation
Which of the following is a method used to monitor and control the dust in a mine.
a. Dust suppression
b. Water management
c. Ventilation
d. All of the above
Answer: a. Dust suppression